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Post by gerry on May 28, 2019 14:49:30 GMT -5
I noticed this section in the 04-2019 REV of the AR manual. Is the servicing of the Y-Axis and Z-Axis the same procedure?
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Post by Axiom Tool Group on May 30, 2019 8:29:03 GMT -5
The Y and Z axes are very similar....they both use the same bracket and will require much the same steps.
The only exception is that you will remove the stepper motor first on the Z axis....where on the Y, there will be a few additional steps.
Such as removing the electrical connection plate on the rear of the machine, then remove the mounting screws that hold that bracket in place.....this should allow the ball screw to hang down just enough that you can then remove the stepper motor easily.
*You may need to move the gantry forward to allow the ball screw to hang down once that Y axis bracket has been released*
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Post by KAA on Jun 3, 2019 9:02:11 GMT -5
Where might I obtain the 04-2019 REV manual?
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Post by Axiom Tool Group on Jun 3, 2019 11:55:51 GMT -5
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Post by joeblow on Jun 3, 2019 21:04:56 GMT -5
The Y and Z axes are very similar....they both use the same bracket and will require much the same steps. The only exception is that you will remove the stepper motor first on the Z axis....where on the Y, there will be a few additional steps. Such as removing the electrical connection plate on the rear of the machine, then remove the mounting screws that hold that bracket in place.....this should allow the ball screw to hang down just enough that you can then remove the stepper motor easily. *You may need to move the gantry forward to allow the ball screw to hang down once that Y axis bracket has been released* Having just performed this service on all 3 axis for an AR6 Pro, the information presented here seems "wanky".
1. Why remove the Z axis stepper motor?
The ball nut sits on top of the axis and can be easily separated from the axis by simply placing a block under the spindle and removing the 4 cap nuts holding the ball nut to the axis. Then raise the ball nut by using Z+ on the HHC and the fitting is readily available for greasing. I cycled the ball nut up and down while greasing to assist working it into the bearings. Then loosely re-attached the nut and raised the axis to the top for final tightening, leaving just enough room for the allen wrench.
2. Why remove the electrical connection plate for the Y axis?
The ball nut for the Y axis is just as easy as the X and Z axis by removing the 4 cap nuts holding it in place. I actually didn't end up removing the ball nut for the Y axis as the zerk fitting easily rotated out as designed for greasing.
Sorry about the sideways pics.
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Post by gerry on Jun 3, 2019 23:09:26 GMT -5
Thanks for the info. I was figuring major time after doing the X-axis. The next day I took off the Z cover and serviced it like you did. I went back in the house and re-read the posted doc. I don't think they're talking about the same machine. I looked at the Y-Axis, and I'd agree with the you on the procedure.
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Post by Axiom Tool Group on Jun 4, 2019 15:47:24 GMT -5
My mistake, the stepper motor is only removed when the thrust bearings are being serviced.
Not sure exactly what I had in mind when I posted the reply.
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